<template>
  <div id="app">
    <header class="head">
      <a class="back tl" href="javascript:history.back(-1)">
        <i class="el-icon-arrow-left"></i>
      </a>
      <a href="javascript:;" class="tc">
        <small class="font_18 co_f">食品留样</small>
      </a>
      <router-link to='/Splylistadd' class="adds">
        <i class="el-icon-plus"></i>
      </router-link>
    </header>
    <main>
      <div class="seachfrom">
        <div class="seachbox">
          <el-date-picker v-model="seachtext" type="date" format="yy-MM-dd" @change="seach()" placeholder="选择日期">
          </el-date-picker>
          <!-- <el-input placeholder="请输入内容" v-model="seachtext">
              <el-button slot="append" icon="search" @click="seach()"></el-button>
            </el-input> -->
        </div>
      </div>
      <div v-loading='loading'>
        <v-loadmore :top-method="loadTop" :bottom-method="loadBottom" :auto-fill="false" ref="loadmore">
          <ul class="datalist">
            <li v-for="item in listData" :key='item.unid'>
              <a @click="Splylistdetail(item)">
                <div class="items-img">
                  <img src="../../assets/iconimg.png" />
                </div>
                <div class="items-text">
                  <p>类型:{{type[item.type]}}</p>
                  <p>餐次:{{timeType[item.timeType]}}</p>
                  <p>人数:{{item.personNum}}</p>
                  <p>就餐日期：{{item.versionDate|time}}</p>
                </div>
              </a>
            </li>
          </ul>
        </v-loadmore>
        <div class="none_data" v-show="nonedata">
          <img src="../../img/tip.png">
        </div>
      </div>
    </main>
  </div>
</template>

<script>
  import {
    Loadmore
  } from 'mint-ui';
  import {
    KeepSample
  } from '../../api/api';
  var moment = require('moment');
  export default {
    components: {
      'v-loadmore': Loadmore,
    },
    data() {
      return {
        loading: true,
        nonedata: false,
        PageSize: 10,
        CurrentPage: 1,
        CriteriaList: [],
        listData: [],
        seachtext: '',
        select: '',
        scrollMode: "auto",
        timeType: ['早餐', '午餐', '晚餐'],
        type: ['三十人以上聚餐', '食堂用餐', '重大活动保障']
      };
    },
    watch: {
      listData(val) {
        if (val) {
          this.loading = false;
        }
      },
    },
    methods: {
      Splylistdetail: function(item) {
        this.$router.push({
          name: 'Splylistdetail',
          query: {
            unid: item.unid
          }
        })
      },
      loadTop: function() { //组件提供的下拉触发方法  
        //下拉刷新
        if (this.CurrentPage >= 0) {
          this.CurrentPage = 1;
          this.listData = [];
          this.getData();
        } else {
          this.listData = [];
          this.getData();
        }
        this.$refs.loadmore.onTopLoaded(); // 固定方法，查询完要调用一次，用于重新定位  
      },
      loadBottom: function() {
        // 上拉加载  
        this.CurrentPage += 1;
        this.getData();
        // 上拉触发的分页查询  
        this.$refs.loadmore.onBottomLoaded(); // 固定方法，查询完要调用一次，用于重新定位  
      },
      //搜索
      seach: function() {
        this.seachtext = moment(this.seachtext).format('YYYY-MM-DD')
        this.listData = [];
        this.CurrentPage = 1;
        this.CriteriaList[0] = {
          Name: 'DinnerDate',
          Value: this.seachtext,
          Operate: 'Equal',
          DataType: null,
          EndSuffix: '',
          Suffix: null
        };
        this.getData();
      },
      //数据加载方法
      getData() {
        let CurrentPageNum = this.CurrentPage
        //定义需要传给通讯的参数：QueryData{"PageSize":10,"CurrentPage":1,"Query":{"CriteriaList":[]}}和userunid    
        let varQueryData = {
          PageSize: this.PageSize,
          CurrentPage: this.CurrentPage,
          Query: {
            CriteriaList: [],
            SubQueryList: []
          }
        }
        if (this.CriteriaList.length !== 0) {
          let SubQueryList = [{
            CriteriaList: this.CriteriaList,
            Relation: 'or'
          }]
          varQueryData.Query.SubQueryList = SubQueryList;
        }
        let options = {
          params: {
            UserUnid: JSON.parse(localStorage.getItem('auth')).UserUnid,
            QueryData: JSON.stringify(varQueryData)
          }
        }
        //调取接口
        KeepSample(options).then((res) => {
          if (res.success === true) {
            this.user = res.data.user;
            this.listData = this.listData.concat(res.data);
            if (res.data.length > 0) {
              this.nonedata = false
            } else {
              if (CurrentPageNum == 1) {
                this.nonedata = true
              } else {
                this.nonedata = false
              }
            }
          }
        })
      }
    },
  
    //页面加载时候
    mounted() {
      this.getData();
    }
  
  }
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->

<style lang="scss">
  .el-date-editor.el-input{ width: 100%;}
</style>
